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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > General H2 Discussion

 
 
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Old 09-24-2015, 04:19 AM
inputapmech inputapmech is offline
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Join Date: May 2012
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Talking Hummer H2 408 stroker engine build....

I had an H2 engine with 108,000 miles and no real spunk to speak of especially
when towing my boat. I considered a supercharger as I have read alot of good
remarks about that but my engine was tired and supercharging a tired engine is
not a good idea. I settled on a 408 stroker conversion. I did alot of reading before hand and learned quite a bit. I did the build myself being a longtime mechanic. There are a few tricks but all in all pretty straight foward... Long story shortned I could not be happier.. I have about 450HP and atleast the same
torque and this truck on 40" tires is a blast to drive... I used the Delco 8.1 marine injectors and have the tuning about 95% where it should be..
Just wanted to tell anyone considering this that the outcome with a mild cam added is very good and I am glad to help by anwsering questions if anyone needs.
I tune with EFI live and am glad to share info if its needed.... Cheers
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